[U-Boot] [U-Boot, 1/6] doc: imx: habv4: Remove extra hab directory for a cleaner documentation structure

[sbabic at denx.de]

> There is no need to have an extra hab directory under doc/imx/.
> Habv4 and AHAB documentation can be added directly in doc/imx/ for a
> cleaner documentation structure.
> Signed-off-by: Breno Lima <breno.lima at nxp.com>

Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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